Physics of runaway electrons in tokamaks
BN Breizman, P Aleynikov, EM Hollmann… - Nuclear …, 2019 - iopscience.iop.org
Of all electrons, runaway electrons have long been recognized in the fusion community as a
distinctive population. They now attract special attention as a part of ITER mission …
distinctive population. They now attract special attention as a part of ITER mission …
[HTML][HTML] Status of research toward the ITER disruption mitigation system
EM Hollmann, PB Aleynikov, T Fülöp… - Physics of …, 2015 - pubs.aip.org
An overview of the present status of research toward the final design of the ITER disruption
mitigation system (DMS) is given. The ITER DMS is based on massive injection of impurities …
mitigation system (DMS) is given. The ITER DMS is based on massive injection of impurities …
Theory of tokamak disruptions
AH Boozer - Physics of plasmas, 2012 - pubs.aip.org
Theoretical guidance is needed on two disruption questions:(1) When is a tokamak
operating in a metastable state in which loss of control is credible (avoidance question)?(2) …
operating in a metastable state in which loss of control is credible (avoidance question)?(2) …
Control and dissipation of runaway electron beams created during rapid shutdown experiments in DIII-D
DIII-D experiments on rapid shutdown runaway electron (RE) beams have improved the
understanding of the processes involved in RE beam control and dissipation. Improvements …
understanding of the processes involved in RE beam control and dissipation. Improvements …
Demonstration of tokamak discharge shutdown with shell pellet payload impurity dispersal
EM Hollmann, PB Parks, D Shiraki, N Alexander… - Physical review …, 2019 - APS
The first rapid tokamak discharge shutdown using dispersive core payload deposition with
shell pellets has been achieved in the DIII-D tokamak. Shell pellets are being investigated …
shell pellets has been achieved in the DIII-D tokamak. Shell pellets are being investigated …
Three-dimensional non-linear magnetohydrodynamic modeling of massive gas injection triggered disruptions in JET
JOREK 3D non-linear MHD simulations of a D 2 Massive Gas Injection (MGI) triggered
disruption in JET are presented and compared in detail to experimental data. The MGI …
disruption in JET are presented and compared in detail to experimental data. The MGI …
The fast camera (Fastcam) imaging diagnostic systems on the DIII-D tokamak
Two camera systems are installed on the DIII-D tokamak at the toroidal positions of 90 (90
system) and 225 (225 system), respectively. The cameras have two types of relay optics …
system) and 225 (225 system), respectively. The cameras have two types of relay optics …
Recent progress, liquid metal use as plasma facing component and vapor shielding of high heat flux
M Bilal, K Ahmad, MT Saleem, S Gulfam… - Reviews of Modern …, 2022 - Springer
Fusion is considered to be the green and ultimate source of energy for the future. There are
many engineering and physics restrictions in achieving this goal. One major problem is high …
many engineering and physics restrictions in achieving this goal. One major problem is high …
Numerical simulation of runaway electrons: 3-D effects on synchrotron radiation and impurity-based runaway current dissipation
Numerical simulations of runaway electrons (REs) with a particular emphasis on orbit
dependent effects in 3-D magnetic fields are presented. The simulations were performed …
dependent effects in 3-D magnetic fields are presented. The simulations were performed …
[HTML][HTML] Loss of relativistic electrons when magnetic surfaces are broken
Relativistic runaway electrons in ITER could be confined in a broad annulus of stochastic
magnetic field lines bounded by an annulus of magnetic surfaces. The outer confining …
magnetic field lines bounded by an annulus of magnetic surfaces. The outer confining …